> ## Documentation Index > Fetch the complete documentation index at: https://docs.lerian.studio/llms.txt > Use this file to discover all available pages before exploring further. # Update a template > Updates a template's file, output format, or description. ## OpenAPI ````yaml en/openapi/v3-current/reporter.yaml patch /v1/templates/{id} openapi: 3.1.0 info: contact: name: Discord community url: https://discord.gg/DnhqKwkGv3 description: >- This is OpenAPI documentation for Reporter. The unified reporter binary serves the REST API (RUN_MODE=api) and/or the RabbitMQ report-generation worker (RUN_MODE=worker); RUN_MODE=all runs both in one process for local development. All REST endpoints documented here serve only when RUN_MODE=api or all (port :4005); the worker (port :4006) exposes health/readyz only. license: name: Lerian Studio General License title: Midaz Reporter API version: 4.0.0 servers: - url: http://localhost:4005 - url: https://localhost:4005 security: - BearerAuth: [] tags: - description: Generated report instances and their lifecycle. name: Reports - description: Reusable report definitions. name: Templates - description: Interactive construction of report templates. name: Template Builder - description: Scheduled report due-date tracking. name: Deadlines - description: Configured inputs that feed report data. name: Data Sources - description: Aggregated reporting metrics. name: Metrics - description: Published business event catalog and delivery policies. name: Streaming paths: /v1/templates/{id}: patch: tags: - Templates summary: Update a template description: Updates a template's file, output format, or description. operationId: updateTemplate parameters: - description: Template ID example: 00000000-0000-0000-0000-000000000000 in: path name: id required: true schema: description: Template ID type: string requestBody: content: multipart/form-data: schema: properties: description: description: Human-readable template description examples: - Monthly financial report type: string outputFormat: description: Generated report output format examples: - html type: string template: contentMediaType: application/octet-stream description: Pongo2 template file examples: - monthly-report.tpl format: binary type: string type: object description: Template multipart form responses: '200': content: application/json: schema: $ref: '#/components/schemas/TemplateResponse' description: OK '400': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Bad Request '401': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unauthorized '403': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Forbidden '404': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Not Found '422': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unprocessable Entity '500': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Internal Server Error components: schemas: TemplateResponse: properties: createdAt: description: Template creation timestamp in UTC examples: - '2021-01-01T00:00:00Z' format: date-time type: string description: description: Human-readable template description examples: - Monthly financial report type: string fileName: description: Stored template filename examples: - 0196159b-4f26-7300-b3d9-f4f68a7c85f3_1744119295.tpl type: string id: description: Unique template identifier examples: - 00000000-0000-0000-0000-000000000000 type: string outputFormat: description: Format generated from this template examples: - HTML type: string updatedAt: description: Most recent template update timestamp in UTC examples: - '2021-01-01T00:00:00Z' format: date-time type: string warnings: description: >- Non-fatal mapped-field validation warnings returned when a data source is unavailable examples: - - code: DATA_SOURCE_UNAVAILABLE field: account.balance message: data source is temporarily unavailable items: $ref: '#/components/schemas/ValidationWarning' type: - array - 'null' type: object Detail: properties: code: description: >- Stable, machine-readable domain error code scoped to the emitting service (format: -NNNN). examples: - ERR-0001 type: string detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string errors: description: Optional list of individual error details examples: - - location: body.templateId message: expected string to match 'uuid' format value: not-a-uuid items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string status: description: HTTP status code examples: - 400 format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string type: object ValidationWarning: properties: code: description: Machine-readable warning code. examples: - DATA_SOURCE_UNAVAILABLE type: string field: description: Field or data source reference affected by the warning. examples: - customers.email type: string message: description: Human-readable description of the warning. examples: - Data source is temporarily unavailable. type: string type: object ErrorDetail: properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' examples: - body.templateId type: string message: description: Error message text examples: - expected string to match 'uuid' format type: string value: description: The value at the given location examples: - not-a-uuid type: object securitySchemes: BearerAuth: bearerFormat: JWT description: JWT bearer token issued by the identity provider. scheme: bearer type: http ````